Need reliable simple backup software for WindowsXP with HP USB DAT72

WE have brought a HP C7438A ( USB DAT72 GB external tape drive )
But we are having no end of trouble with the free software that comes with it ( data protector express )
It keeps refusing media, even though we tell it to "Format any first"

Issue is this is a very small workgroup server and we need a SIMPLE backup program to run over night.
We don't care which tape the operator puts in the drive!
Would rather have a backup on the wrong tape rather than no backup at all.

So we need advice on a backup program that is simple and easy to use.
We don't need hundreds of options / bells / whistels

1. Will it run unattended when the console is sitting at the login screen, or signed in as another user ?
2. Will is reliably backup all data including Registry and NTFS permissions ?
3. What about disaster recovery ?

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While NTbackup may not be the most reliable backup solution it is a 1) free and 2) simple solution that works well with tapes. To answer your questions;

1. Yes it will run unattended. When you set it up you can specify the user account to use, regardless of who is logged into the server, if anyone.
2. NTBackup will backup files, registry, AD information, and the exchange store (except in server 2008). Additionally after any big server change you can create a rescue floppy disk that will expedite the recovery process (in the first link see screen shot three, All information on this computer).
3. Disaster recovery is rarely easy but if you create the rescue floppy disc you should have fewer problems.

As far as other free and simple backup solutions your options are very limited. Besides open source solutions, NTBackup is the best simple free backup solution for backing up to tapes.

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